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Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Sinopec Oilfield Service, Southwest Petroleum Eng Co Ltd Sinopec and Downhole Operation Branch Of Sinopec Southwest Petroleum Eng Co Ltd have applied Chinese patent for Thin-wall Short Fish Top Annular Slip Fisher Capable of Being Sleeved and Milled. Wen Bing, Zhou Xiangxiang, Li Bo, Wu Zhiguo, Gou Yuan, Zhan..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Sinopec Oilfield Service, Drilling Technology Research Inst Of Shengli Petroleum Engineering Co Ltd Sinopec, Sinopec Group and Sinopec Shengli Petroleum Engineering have submitted a patent application for Sitting Key Pulse Device. Wang Haibin, Dong Guanghua, Xu Hao, Liu Yongliang, Hou Fang and Zhao Hongshan d..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- China Petroleum & Chemical, Sinopec Oilfield Service, Drilling Technology Research Inst Of Shengli Petroleum Engineering Co Ltd Sinopec and Sinopec Shengli Petroleum Engineering have submitted a patent application for Pressure-maintaining Shackle Device and Shackle Method. This invention was developed by Zhan..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have sought patent for Method for Measuring Uniform Temperature of Inclusion. This invention was developed by Song Xiaobo, Wang Haijun, Xiong Liang, Meng Xianwu, Wang Ying and Liu Yong.
The patent application number is CN202411202500 20240829. The ..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited and Daqing Oilfield have sought patent for Shale In-situ Oil Saturation Measuring Device, Method and System. This invention was developed by Xu Xiqing, Huo Yingdong, Shao Hongmei, Liu Jie, Wang Yanyan, Sun Longde, Gao Bo, Feng Zihui, Chen Fengxiang, Zheng Binru, Huo Qiuli and Li Binhui.
..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited and Cnpc Shenzhen New Energy Research Inst Co Ltd have sought patent for Method, Device and System for Determining and Analyzing Dynamic Distribution of Fluid in Pores. This invention was developed by Gao Yuncong, Pan Songqi, Yuan Ming, Zhao Yuejing, Wang Shan, Mu Ying and Wang Ziheng.
..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Hangzhou Special Equipment Inspection And Research Inst Hangzhou Special Equipment Emergency Disposa and Northeast Petroleum University have filed a patent application for Intelligent Robot for Hydrogen Leakage Detection. This invention was developed by Wang Di, Chen Tao, Lyu Yan, Li Dong, Zhou Wei and Chen W..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- China Petroleum & Chemical and Sinopec Research Inst Of Petroleum Processing have submitted a patent application for Method and Device for Identifying Common Plastics. This invention was developed by Yang Jian, Chu Xiaoli and Xu Yupeng.
The patent application number is CN202411112888 20240814. The patent p..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- China Petroleum & Chemical and Sinopec Petroleum Exploration And Production Research Inst have applied Chinese patent for Hydrocarbon Enrichment and Transmission Device and Method. You Donghua, Xi Binbin, Chu Chenglin and Xu Jin developed it.
The patent application number is CN202411248682 20240906. The pa..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- China Petroleum & Chemical, Sinopec Zhongyuan Oilfield Puguang Branch, Sinopec Dazhou Natural Gas Purification Co Ltd and Sinopec Zhongyuan Oilfield Co have submitted a patent application for Pressure Gauge Buffer Device. This invention was developed by Lin Tao, Huang Fujun, Li Jing, Lu Shengwei, Chen Gang an..
Oil & Gas
| Thu 18 Jun 2026
Beijing, June 19 -- Sinopec Ningbo Engineering, China Petroleum & Chemical and Sinopec Ningbo Research Inst Co Ltd have filed a patent application for Cold Wall Type U-shaped Tubular Heat Exchanger. This invention was developed by Yang Junling, Cui Jindong, Liu Yuying and Liu Fumin.
The patent application number is CN20241119..
Oil & Gas
| Thu 18 Jun 2026
Beijing, June 19 -- China Petroleum & Chemical and Sinopec Chongqing Chuanwei Chemical Co Ltd have applied Chinese patent for Methane Heating Furnace for Methane Catalytic Partial Oxidation Section in Methanol Industrial Production and Operation Method of Methane Heating Furnace. Cheng Zhifa, Li Hao, He Qiang, Dong Li and Jiang ..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- China Petroleum & Chemical and Sinopec Dalian Petroleum Chemical Research Inst Co Ltd have submitted a patent application for Compressed Co2 Energy Storage and Gas Storage Capacity Optimization Method and Device, Electronic Equipment and Storage Medium. This invention was developed by Sui Gulei.
The patent..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 --Petrochina Co Limited, China United Coalbed Methane National Engineering Res Center Co Ltd and Petrochina Coalbed Methane Co Limited have submitted a patent application for Automatic Identification Method for Horizontal Well Layer Position of Coal Bed Gas and Related Equipment. Ren Yong, Sun Xiongwei, Wang Hon..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited, China United Coalbed Methane National Engineering Res Center Co Ltd and Petrochina Coalbed Methane Co Limited have filed a patent application for Ground Stress Prediction Method, Device, Equipment and Medium. This invention was developed by Hou Wei, Zhang Wen, Chen Tong, Guo Lele, Tong..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- China Petroleum & Chemical and Sinopec Petroleum Exploration And Production Research Inst have submitted a patent application for Method and Device for Determining Lithology Space-time Distribution Characteristics of Coal Measure Gas. Zhang Jiaqi, Liu Zengqin, Du Wei, Chen Gang, Zhang Dianwei and Peng Yongmin..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have filed a patent application for Indication Curve-based Tight Gas Reservoir Gas Well Production Allocation Method and Electronic Equipment. This invention was developed by Zhan Guowei, Feng Ying, Zhan Zedong, Deng Weifei, Zhang Yan and Liu Sha.
..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited and Daqing Oilfield have sought patent for Method for Calculating Water Saturation of Extra-high-water-content Oil Reservoir by Fusing Logging and Sedimentary Rhythm. This invention was developed by Yang Qingshan, Lu Yan, Cheng Mengwei, Xiao Limei, Li Jinfeng, Ding Jiwei, Qi Yunfeng, Ma ..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Sinopec Oilfield Service, Sinopec Group, Southwest Measurement and Control Co Of Sinopec Jingwei Co Ltd and Sinopec Jingwei Co Ltd have submitted a patent application for Method and Device for Identifying Fluid Properties of Deep Carbonate Rocks. This invention was developed by Wang Chongjing, Xiang Shuping, ..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- China Petroleum & Chemical, Sinopec Oilfield Service, Drilling Technology Research Inst Of Shengli Petroleum Engineering Co Ltd Sinopec and Sinopec Shengli Petroleum Engineering have applied Chinese patent for Recyclable Guide Drilling Device and Adjusting Method. Dong Guanghua, Liu Yongliang, Ma Guoliang, Zh..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Sinopec Oilfield Service, Tarim Branch Of Sinopec Zhongyuan Petroleum Eng Co Ltd and Sinopec Zhongyuan Petroleum Eng Ltd have applied Chinese patent for Torsion Impactor. Su Qianrong, Ji Zhaosheng, Gao Peng, Bai Wangdong, Yang Peifeng and Liu Wei developed it.
The patent application number is CN20241119585..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- East Oil Storage And Transp Co Ltd Of State Grid Group, China University of Petroleum, Beijing and National Petroleum Pipeline Network Group have submitted a patent application for Crude Oil Viscosity Reduction Method, Device, Equipment, Medium and Product. Xie Yiyu, Ni Guangdi, Cao Danfu, Wang Junfang, Zhan..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Sinopec Oilfield Service and Sinopec East China Petroleum Eng Co Ltd have submitted a patent application for Functional Monomer for Preparing Hyperbranched Filtrate Reducer for Drilling Fluid, Hyperbranched Filtrate Reducer for Drilling Fluid as Well as Preparation Method and Application of Hyperbranched Filt..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Sinopec Oilfield Service and Sinopec East China Petroleum Eng Co Ltd have applied Chinese patent for High-temperature-resistant Calcium-resistant Cement Paste for Well Cementation of Oil and Gas Wells and Preparation Method Thereof. Feng Danyang, Lyu Ruihua, Liu Yanru, Yao Wenqiang, Cai Xiaoming, Lyu Zhiguo a..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Sinopec Nanjing Engineering & Construction and SINOPEC Engineering (Group) have sought patent for Ammonium Nitrate Refining System and Method in Nitrophosphate Fertilizer Production. This invention was developed by Wang Jiaming, Shi Yong and Xu Weiya.
The patent application number is CN202511828512 2025120..
Oil & Gas
| Thu 18 Jun 2026
Beijing, June 19 -- Sinopec Shanghai Eng Co Ltd and China Petroleum & Chemical have submitted a patent application for Throat Bushing and Application. This invention was developed by He Liang.
The patent application number is CN202411191339 20240828. The patent publication number is CN121631005 (A). International Patent Class..
Oil & Gas
| Thu 18 Jun 2026
Geneva, June 19 -- Services Petroliers Schlumberger, Schlumberger Technology BV, Schlumberger Technology Corp, Genvia and Schlumberger have sought patent for Facility for Producing Hydrogen Via Electrolysis of Steam. This invention was developed by Hamed Nejib, Alaimi Oumaima, Leducq Paul, Muppalla Jayasri, Delamare Arthur and P..
Oil & Gas
| Thu 18 Jun 2026
Geneva, June 19 -- China Petroleum & Chem Corp and Sinopec Shanghai Research Inst Of Petrochemical Technology Co Ltd have filed a patent application for Polyether Purification Method and System. This invention was developed by Hu Shuai, Bi Fenglei, Li Junsen and Wang Hanbin.
The patent application number is WO2025CN140193 202..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited, China United Coalbed Methane National Engineering Res Center Co Ltd and Petrochina Coalbed Methane Co Limited have submitted a patent application for Method, Device and Equipment for Determining Collapse Pressure of Horizontal Well and Storage Medium. This invention was developed by Li..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Test Layer Selection Method and Device Based on Gas Logging. This invention was developed by Cao Qinming, Yang Yingtao, Xiong Liang, Zhuo Junchi, Zhang Shunli and Zhao Di.
The patent application number is CN2..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited and Daqing Oilfield have applied Chinese patent for Selection Method Suitable for Preferably Selecting Target Layer of Continental Facies Shale Oil Horizontal Well. Wang Zhiguo, Yasusaku, Wang Youzhi, Zhang Jinxu, Wang Xiandong and Tian Xiaobin developed it.
The patent application num..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Method for Determining Oil and Gas Filling Time. This invention was developed by Wang Haijun, Yang Yingtao, Long Ke, Xiong Liang, Wang Dong and Wang Ying.
The patent application number is CN202411202498 20240..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- China Petroleum & Chemical and Sinopec Petroleum Engineering Technology Research Inst Co Ltd have submitted a patent application for Temporary Blocking Ball Putting Control Method, Putting Device and Putting System. This invention was developed by Wang Xiaoyang, Qin Qiuping, Zuo Luo and Zhang Shikun.
The p..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Construction Method for Volume Fracturing. This invention was developed by Yu Dan, Qin Songbai, Zhang Wuzhuang, Liu Wei and Zhu Liping.
The patent application number is CN202411222400 20240902. The patent pub..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- China Petroleum & Chemical and Sinopec Petroleum Exploration And Production Research Inst have submitted a patent application for Method for Improving Recovery Ratio of Low-permeability Oil Reservoir. Liu Yunfeng, Zhu Yangwen, Dai Quanqi, Yu Hongmin, Tang Lei and Wang Peng developed the invention.
The pate..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited and Daqing Oilfield have submitted a patent application for Same-well Layered Injection-production Pipe Column. This invention was developed by Sun Xiaoming, Wang Mingwei, Li Dan, Gao Hengda, Sun Yan and Cui Jinzhe.
The patent application number is CN202411190893 20240828. The patent ..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited and Daqing Oilfield have submitted a patent application for Three-dimensional Optimization Method and Device for Perforation Horizon of Injection and Production Well of Oil Field in Ultra-high Water Cut Period. This invention was developed by Du Qinglong, Zhang Changyan, Guo Junhui, Meng..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited, China United Coalbed Methane National Engineering Res Center Co Ltd and Petrochina Coalbed Methane Co Limited have submitted a patent application for Coal Bed Gas Double-pipe Jet Pump Drainage and Mining Pipe Column and Under-pressure Operation and Drainage and Mining Implementation Me..
Oil & Gas
| Fri 19 Jun 2026
Geneva, June 19 -- Greenlane Renewables Global Ltd has sought patent for Biogas Upgrading System and Method with an Intermediate Deoxygenation Stage. This invention was developed by Goudie Dale William and Douville Brad Donald.
The patent application number is WO2025CA51624 20251202. The patent publication number is WO2026117..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Cnpc Bohai Drilling Engineering Co Limited and China National Petroleum have sought patent for Intelligent Sand Shale Detection Short Section and Method. This invention was developed by Xu Minglei, Dou Huiping, He Yuefeng, Chen Xinhai and Luo Yucai.
The patent application number is CN202411200987 20240829...
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Cnpc Bohai Drilling Engineering Co Limited and China National Petroleum have sought patent for Throwing and Fishing Device, Throwing and Fishing Method, Throwing and Fishing System, Throwing and Fishing Execution Device and Application. This invention was developed by Wang Yiping, Wang Jiang, Yang Tingan, Li ..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Liaoning Kuake Petroleum Equipment Co Ltd has sought patent for Blowout Prevention Wellhead Sealing Device for Broken Rod. This invention was developed by Zhang Yu, Chen Bingyi, Sun Shiyong, Zhang Jiandong, Zhao Zihao, Zhao Guangyou, Yang Xiaoling, Sun Pengfei, Xia Pengcheng, Wang Chao, Tan Hailin and Dong Wa..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Cnpc Xibu Drilling Engineering Co Limited and China National Petroleum have sought patent for High-temperature and High-pressure Ultra-deep Well Oil Testing Early-stage Underground Data Recording Method. This invention was developed by Chen Xueru, Chen Liang, Liu Yang, Song Zhitong, Li Yi, Mao Xinjun, Feng Me..
Oil & Gas
| Thu 18 Jun 2026
Beijing, June 19 -- China Petroleum Eng & Constr Corp and China National Petroleum have sought patent for Liquefied Gas Storage Device. This invention was developed by Guo Chao, Luo Shuangquan and Shen Quanfeng.
The patent application number is CN202411251074 20240906. The patent publication number is CN121631160 (A). Interna..
Oil & Gas
| Thu 18 Jun 2026
Beijing, June 19 -- Nat Bio Energy Group Co Ltd and Hangzhou Yunjiang New Energy Tech Co Ltd have sought patent for Combustible Gas Low-nitrogen Combustion System. This invention was developed by Li Yunchuan, Zhuang Huiyong, Yu Chunjiang, Wang Zhenjiang, Zhang Youjun and Lyu Yingsheng.
The patent application number is CN20251..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Hubei Lianchang New Mat Co Ltd has sought patent for Tail Gas Adsorption Tower for Hydrogen Fluoride. This invention was developed by Lyu Jinping, Wei Xianqing, Zheng Shanxiang, Liu Wei and Zhang Yifei.
The patent application number is CN202511817509 20251204. The patent publication number is CN121550764 (..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Tianjin Xinyuan Hydrogen Energy Co Ltd has sought patent for Hydrogenation Mother Station Hydrogen Recovery System and Method. This invention was developed by Wang Yunfei, Chen Hui, Zhi Qiangfeng, Nie Jiabo, Deng Jianyue and Zhang Weibo.
The patent application number is CN20261083762 20260122. The patent p..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has received Shaanxi Huating Tech Co Ltd patent application for Harmless Purification Device for Fracturing Flow-back Fluid of Oil and Gas Field. Hao Weijia, Chen Shaokun, Chen Shaoqian, Liang Hua and Song Shiwei developed the invention.
The patent application nu..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has submitted a patent application for Device and Method for Testing Damage Degree of Working Fluid to Reservoir Under Gas Reservoir Condition. This invention was developed by Han Xinggang, Zhang Yuanyuan, Luo Jianning, Sun Lei, Feng Min, Hu Yong, Wang Long, Li Ya, Wang Jiping and Jiao C..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has submitted a patent application for Method and Device for Comprehensively Measuring Porosity of Shale. This invention was developed by Tang Yong, Qin Zhijun, Zhao Yi, Qian Yongxin, Jiang Zhenxue, Zheng Menglin, He Wenjun, Gao Zhiye, Ma Guoming and Zou Yang.
The patent application n..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has submitted a patent application for Method and System for Quantitatively Evaluating Contribution Degrees of Imbibition, Oil Washing and Energy Increasing in Huff-puff Process. Li Ming, Hui Zeyou, Zhang Xuyang, Tian Hui, Li Zhihong, Liu Jiaxing, Nie Xiaobin, Zhang Yun, Ning Meng, Luo Q..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has received Petrochina Co Limited patent application for Full-size Aperture Characterization Method and Device. Liu Jianyu, Pan Shuxin, Wang Guodong, Zhang Han, Xu Duonian and Qiu Tingcong developed the invention.
The patent application number is CN202411227917 ..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Petroleum Exploration And Production Research Inst patent application for Experimental Device, Experimental Method and Detection System for X-ray Diffraction of Clay. The invention was developed by Ning Lirong, Yu..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Changqing Eng Design Co Ltd and China National Petroleum have submitted a patent application for Gas Detection Control System and Detection Method. This invention was developed by Yang Xiaofeng, Zhang Xin, Zhang Junyao, Chen Zhao'an, Qiao Wenbo, Wu Baoxiang, Yang Chong, Ren Xiaofeng, Liu Yuangang, Yao Xinwei,..
Oil & Gas
| Thu 18 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has published Petrochina Co Limited patent application for Same-layer Different-section Terrestrial Heat Taking and Filling Method and Related Equipment. The invention was developed by Wei Da, Tang Zuofeng, Qiu Shuli, Yang Songlin, Liang Fei, Sun Hongjun, Lin Zhongk..
Oil & Gas
| Thu 18 Jun 2026
Beijing, June 19 -- China Petroleum Eng & Constr Corp and China National Petroleum have applied Chinese patent for Air Source Heat Pump and Built Water Jacket Heating Furnace Coupling Heating System and Technology. Ye Dong, Zhang Ting, Zhu Peng and Sun Yijie developed it.
The patent application number is CN202411182321 202408..
Oil & Gas
| Thu 18 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has published Taihang Nat Laboratory patent application for Cavity Type Hydrogen Micro-mixing Combustion Chamber Head and Design Method. The invention was developed by Tao Chao, Zhou Ping and Gu Shibo.
The patent application number is CN202610141369 20260202. The..
Oil & Gas
| Thu 18 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has submitted a patent application for Tracking and Positioning System and Method for Detector in Gas Pipeline. Wang Xinyi, Bao Mingyu, Sun Mingnan, Liu Chang, Fu Wendi and Lin Dong developed the invention.
The patent application number is CN202411212608 20240830. The patent publicati..
Oil & Gas
| Thu 18 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has sought patent for Broken Pipe Detecting and Positioning Method, System and Equipment Based on Genetic Algorithm. This invention was developed by Gu Tao, He Bo, Ren Yifan, Ma Jiangping, Fu Pengqiao and Zeng Xiaoying.
The patent application number is CN202411257522 20240909. The pat..
Oil & Gas
| Thu 18 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has released Gem Pipe Co Ltd Of China Nat Petroleum Corporation, CNPC National Petroleum Tubular Goods Engineering Tech Research Center Co Ltd and China National Petroleum patent application for Visual Ultrahigh-pressure Wear-resistant Flexible Composite Pipe and Ma..
Oil & Gas
| Thu 18 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has submitted a patent application for Composite Lining Wax-repellent Oil Pipe, Preparation Method, System and Application. This invention was developed by Chen Qiang, Wei Songbo, Huang Shouzhi, Hao Zhongxian and Gao Yang.
The patent application number is CN202411211982 20240830. The ..
Oil & Gas
| Fri 19 Jun 2026
Geneva, June 19 -- CNPC Xibu Drilling Engineering Co Limited and China National Petroleum have submitted a patent application for Magnetic-levitation Drilling Steering and Anti-deviation Tool, and Vertical Drilling System. Shang Cangjian, Tian Ruiqiang, Cheng Rongchao, Yan Biao, Zhao Jibin, Wu Zhi and Zhou Haifeng developed the ..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has published Petrochina Co Limited patent application for Oil Reservoir Building and Capacity Expansion Operation Method and Equipment and Medium. The invention was developed by Zhang Yang, Duan Bin, Wang Miao, Zheng Jiapeng, Li Cong, Tanaka Kei, Gao Guangliang, He..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- CNPC Engineering Materials R&D Co Limited and China National Petroleum have submitted a patent application for Marine Natural Gas Hydrate In-situ Drilling and Production Robot. Han Lihong, Mou Yisheng and Yang Shangyu developed the invention.
The patent application number is CN202411228058 20240903. The pa..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has published China University of Petroleum, Beijing patent application for Fracture Inclination Angle Identification Method, Device and Equipment for Horizontal Well Passing Crack and Medium. The invention was developed by Wang Kewen, Liu Peng, Zhang Mengsheng, Wan..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has released Petrochina Co Limited patent application for Testing Device and Testing Method for Evaluating Acid Etching Crack Parameters. This invention was developed by Liu Jiangyu, Wang Chunsheng, Zhang Yiguo, Zhang Bao, Peng Fei, Zhong Bowen, Huang Kun, Liu Hui, ..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has submitted a patent application for Method and System for Predicting Flow Conductivity of Acid Etching Wall Surface of Deep Carbonate Reservoir. This invention was developed by Chen Weihua, Li Fei, Tang Xinyuan, Zhang Xiangfei, Wang Xi and Wang Zhouyang.
The patent application numb..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has released Petrochina Co Limited patent application for Shale Reservoir Permeability Determination Method and Device Based on Sequential Inversion Algorithm. This invention was developed by Di Yunting, Jiang Rui, Cho Sung-hyun, Liu Dongchen, Chen Yue and Cao Lieya..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has published Petrochina Co Limited patent application for Abnormal Formation Pressure Coefficient Prediction Method and Device, Electronic Equipment and Storage Medium. The invention was developed by Zhang Yiqiong, Mo Wuling, Jiang Ren, Wang Xueke, Lin Yaping, Ji Z..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has released Petrochina Co Limited patent application for Deep Stratum Natural Deflecting Force Evaluation Method and Device. This invention was developed by Li Yuan, Shi Jiangang, Zhong Zhen, Ruan Biao, Yin Tianshi, Wu Desheng, Guo Yong and Lu Zongyu.
The patent..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has submitted a patent application for Method and Device for Quantitatively Evaluating Brittleness of Deep Coal Rock Gas Reservoir. This invention was developed by Li Jun, Dong Caiyuan, Li Dejiang and Lin Tong.
The patent application number is CN202411202610 20240829. The patent publi..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Zhongyuan Oilfield Co patent application for Special Device and Method for Evaluating Water Invasion Effect of Edge Water Gas Reservoir. This invention was developed by Su Yaxian, Liu Chao, Qi Guixue, Zhang Wenbin,..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has published Petrochina Co Limited patent application for Tight Gas Reservoir Well Pattern Adjusting and Optimizing Method, Device and Equipment. The invention was developed by Li Fuping, Chen Fangxuan, Bai Yuqi, Feng Naichao, Zheng Shuai, Xu Tong, Jia Ailin and Li..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has received Petrochina Co Limited patent application for Method and Equipment for Predicting Total Organic Carbon in Source Rock Stratum Containing Carbonate Rock. Han Hongwei, Wang Mingchao, Li Hongye, Yang Lu, Sun Xinyu, Zhang Jiaqi, Chen Dan, Yin Yipeng, Gao Wei..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has released China Petroleum Logging Co Ltd and China National Petroleum patent application for Far Exploration Sound Wave Migration Imaging Data Three-dimensional Well Trajectory Correction Method and Related Equipment. This invention was developed by Fu Shaoqing, ..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Schlumberger Technology has submitted a patent application for Electromagnetic Logging Instrument Adopting Line Pipe Interference Suppression. This invention was developed by Belleville Richard, Fernandez Daniel, Dementyev Andrey, Frey Meghan and Du Ming.
The patent application number is CN202511213327 20250..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- CNPC Xibu Drilling Engineering Co Limited and China National Petroleum have submitted a patent application for Swing Type Continuous Wave Pulser Ground Test System and Test Method. This invention was developed by Li Zhenbao, Li Yongyong, Yi Ming, Wang Di, Chen Kunlin, Zhang Shengpeng and Li Fuqiang.
The pa..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has sought patent for Method and Device for Determining Coal Rock Gas Distribution Range. This invention was developed by Lin Tong, Zhao Zhenyu, Guo Zeqing, Chen Gang and Li Pan.
The patent application number is CN202411193263 20240828. The patent publication number is CN121630393 (A)..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- China Petroleum Logging Co Ltd and China National Petroleum have submitted a patent application for Bubble Point Pressure Measuring Method and Device and Pump Control System. This invention was developed by Liu Wenqiang, Jia Mingbin, Zhang Tao, Li Dong, Chen Hao, Huo Yong, Zhang Jialiang, Wen Rou, Li Guoli, H..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has received Sinopec Oilfield Service, Intelligent Information Tech Support Center Of Sinopec Shengli Petroleum Engineering Co Ltd and Sinopec Shengli Petroleum Engineering patent application for System and Method for Monitoring Annulus Liquid Level in Drilling Well..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has filed a patent application for Method and Device for Analyzing Sucker Rod Load in Pumping Well. This invention was developed by Song Kecong, Fu Tao, Shen Fei, Huang Shouzhi, Xu Jianguo, Fan Chuanlei, Zhang Xiangyang, Zhu Longpeng, Zhang Hao, Zhou Ze and Yang Qinghai.
The patent ap..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has published Petrochina Co Limited; Daqing Oilfield patent application for Method for Improving Evaluation Accuracy of Heterogeneity of Three Types of Oil Layers. The invention was developed by Jiang Lili, Tang Sheng, Xu Chang, Li Gengchang, Yang Weihua, Su Shangha..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has received Petrochina Co Limited patent application for Method for Indicating Through-well Crack Through Wave Amplitude in Array Acoustic Logging Mode and Related Device. Wu Xingneng, Zhang Xinlei, Ai Yong, Nobutake, Bie Kang, Ge Shengquan, Huang Ruokun and Duan W..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has sought patent for Method and Device for Predicting Free Gas and Exploitable Resource Quantity of Deep Coal Rock. This invention was developed by Lin Tong, Wang Zhihong and Yang Wei.
The patent application number is CN202411263609 20240910. The patent publication number is CN121630..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has filed a patent application for Prejudgment Method and System for Temporary Plugging Steering Difficulty in Old Well Seam. This invention was developed by Wu Guodong, Zhang Jingchun, Lyu Zhenhu, Yu Tianxi, Dong Jingfeng, Li Jie, Sun Xize, Han Feipeng, Li Daiqiang and Li Huan.
The p..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has released Schlumberger Technology patent application for Predicting Well Intervention Operation Success Opportunity for Well Intervention Plan. This invention was developed by Mckee Jeffrey, Lu Ying, Jing Dian, Mou Binrui, Gemmel Daniel, Xu Dawei, Meng Lihui, Li ..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has submitted a patent application for Migration Experiment Device for Propping Agent Migration Law Research. Zeng Ji, Huang Xin, Yang Jian, Liu Fei, Lyu Zefei and Wang Zhouyang developed the invention.
The patent application number is CN202411248594 20240906. The patent publication n..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Petroleum Exploration And Production Research Inst patent application for Method and Device for Quantitatively Evaluating Dynamic Packing Property of Interlayer of Low-permeability Carbonate Rock Gas Reservoir. Du ..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has released Petrochina Co Limited patent application for Infinite Stratified Oil Testing and Production Testing Method for Testing Directional Well in Dragging Mode Through Nonmetal Coiled Tubing. This invention was developed by Hou Ze, Song Chengli, Lu Yufeng, Wan..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has received Petrochina Co Limited patent application for Extra-heavy Oil Reservoir Flooding Evaluation Method and Related Equipment. Zhang Chonggang, Yang Guikai, Wang Xianzheng, Wei Dongshuai, Zhao Hui, Zhu Jianqing, Liu Honglei, Liu Gaohua, Si Yong, Wang Jingjing..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has sought patent for Flow Metering Device and Co2 Flooding Minimum Miscible Pressure Testing System and Method. This invention was developed by Li Zhongcheng, Chen Wei, Li Mingyi, Wang Feng, Zhang Hua, Wu Wei and Li Jinlong.
The patent application number is CN202411205526 20240830. T..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has published Petrochina Co Limited patent application for Method and Device for Evaluating Safety of Tubular Column of Lifting System of Electric Submersible Screw Pump. The invention was developed by Zhu Shijia, Chen Qiang, Huang Shouzhi, Zhang Lixin and Hao Zhong..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has submitted a patent application for Device and Method for Monitoring and Identifying Underground Perforation of Oil Well. This invention was developed by Ma Bing, Li Xiaoyan, Liu Shun, Xian Sheng, Chen Wenbin, Li Chuan, Cao Wei, Bai Jie, Liu Hanbin, Qi Yin, Xue Xiaojia and Xu Chuangch..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has submitted a patent application for Closed Gas Well Drainage Pry and Using Method. This invention was developed by Lai Haitao, Liang Wanyin, Liu Yang, Shen Zhihao, Shao Yuan, Wang Zhiguo, Zhou Shaowei, Chen Xiaoli, Wang Xiongxiong and Jiang Zhiqiang.
The patent application number i..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has published Guizhou Youchi Energy Tech Co Ltd patent application for Safe Ignition Method for Underground In-situ Gasification of Coal in High-gas Coal Seam. The invention was developed by Wang Lingxia, Zhou Ze and Yang Lei.
The patent application number is CN2..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has sought patent for Experimental Device and Optimization Method for Optimizing Laying Parameters of Deep Coal Rock Proppant. This invention was developed by Xu Xiaochen, Wen Xiaoyong, Liu Yi, Chen Baochun, Xie Yonggang, Liu Qian, Ma Huan, Zhao Qianyun, Liu Hanbin, Zhang Kuangsheng and ..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has received Petrochina Co Limited patent application for Rod Pumped Well Parameter Adjusting Method. Ren Guishan, Liu Chengyuan, Zhou Huaxing, Chen Xuemei and Wu Xiaowen developed the invention.
The patent application number is CN202411261963 20240910. The paten..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- State Intellectual Property Office of China has received Petrochina Co Limited patent application for Method, System and Equipment for Controlling Water Content Rise of Oil Well of Ultra-low Permeability Reservoir. Wang Zhanliang, Zhai Guanghua, Zhang Dongxing, Zou Tuo, Liu Yu, Li Tao, Zhang Wei, Dou Songjian..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has sought patent for Integrated Drainage and Gas Production Pipe Column and Gas Production Method. This invention was developed by Cai Jiaming, Tian Wei, Chen Yong, Xiao Shuqin, Wang Xianwen, Wang Jiaxin, Wang Xiaorong, Wei Yaming, Jia Youliang and Zhao Zhengyan.
The patent applicati..
Oil & Gas
| Fri 19 Jun 2026
Beijing, June 19 -- Petrochina Co Limited has filed a patent application for Winding Drum Type Long-stroke Oil Pumping Equipment. This invention was developed by Hu Sujuan, Yao Yang, Gan Qingming, Shi Haixia, Zhang Siyu, Sun Jijia, Zheng Gang, Zhang Yan, Liu Guangsheng and Li Loulou.
The patent application number is CN2024112..
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